Written by Kris Land
Demonstrated a direct/indirect diesel injection engine design to reduce particulate emissions and improve the diesel engine's tolerance of exhaust gas recirculation for reducing oxides of nitrogen emissions.
This contract demonstrated reducing particulate emissions from a diesel engine by combining direct injection and indirect injection designs.
Using two injection systems, fuel is primarily injected into the main cylinder through direct in-cylinder injection and a small secondary fuel charge is injected into a delayed combustion chamber for later combustion.
Particulates are reduced by the increased late-stroke heat release and increased mixing generated by the second injection. This project was part of a four-year Clean Heavy-Duty Diesel Engine program involving 17 companies, including engine manufacturers.
Benefits
Commission funds were leveraged in an $8 million program sponsored by major heavy-duty engine manufacturers. If the development effort is successful, it may enable heavy-duty diesel engines to meet 2.0 g/bhp-hr for NOx and 0.05 g/bhp-hr for PM.
Related Articles:
|
![]() |
|
|---|


1944: Camano Class Light Cargo Ship was laid down for the US Army as FS-289 at Wheeler Shipbuilding in Whitestone, NY.

1955 - 1963: Used as a cargo supply ship for the Texas Towers, a network of advanced radar stations located off the Eastern Seaboard. In 1957, Capt. Sixto Mangual was commander of the AKL-17 and in 1961 it was rechristened the USNS New Bedford. The New Bedford, sailing out of State Pier, was keeping vigil when Texas Tower No. 4 callapsed off the New Jersey coast during a January 1961 nor'easter.

2006: Design of the Tesla Turbine began on June 11, 2006. The Sea Bird was sold by Defense Reutilization and Marketing Service for commercial service.




















